From 58063d11135713e12279605c8e34d313e93db511 Mon Sep 17 00:00:00 2001
From: frack113 <62423083+frack113@users.noreply.github.com>
Date: Fri, 10 Dec 2021 19:19:55 +0100
Subject: [PATCH] FP add perfmon.exe

---
 rules/windows/process_access/sysmon_cred_dump_lsass_access.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/rules/windows/process_access/sysmon_cred_dump_lsass_access.yml b/rules/windows/process_access/sysmon_cred_dump_lsass_access.yml
index 527565c18..b88705799 100755
--- a/rules/windows/process_access/sysmon_cred_dump_lsass_access.yml
+++ b/rules/windows/process_access/sysmon_cred_dump_lsass_access.yml
@@ -5,7 +5,7 @@ description: Detects process access LSASS memory which is typical for credential
 author: Florian Roth, Roberto Rodriguez, Dimitrios Slamaris, Mark Russinovich, Thomas Patzke, Teymur Kheirkhabarov, Sherif Eldeeb, James Dickenson, Aleksey Potapov,
     oscd.community (update)
 date: 2017/02/16
-modified: 2021/12/04
+modified: 2021/12/10
 references:
     - https://onedrive.live.com/view.aspx?resid=D026B4699190F1E6!2843&ithint=file%2cpptx&app=PowerPoint&authkey=!AMvCRTKB_V1J5ow
     - https://cyberwardog.blogspot.com/2017/03/chronicles-of-threat-hunter-hunting-for_22.html
@@ -40,6 +40,7 @@ detection:
     filter1:
         SourceImage:
             - 'C:\WINDOWS\system32\taskmgr.exe'
+            - 'C:\Windows\System32\perfmon.exe'
     filter2:
         SourceImage|startswith: 'C:\ProgramData\Microsoft\Windows Defender\'
         SourceImage|endswith: '\MsMpEng.exe'